diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
index 5c08d8b6e995..509bfb1007c4 100644
--- a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
@@ -29,6 +29,8 @@ properties:
     enum:
       - aspeed,ast2600-adc0
       - aspeed,ast2600-adc1
+      - aspeed,ast2700-adc0
+      - aspeed,ast2700-adc1
     description:
       Their trimming data, which is used to calibrate internal reference volage,
       locates in different address of OTP.